IT215064Z2 - Apparecchiatura per il controllo dell isolamento e o la protezione catodica di tubazioni metalliche interrate - Google Patents

Apparecchiatura per il controllo dell isolamento e o la protezione catodica di tubazioni metalliche interrate

Info

Publication number
IT215064Z2
IT215064Z2 IT5346688U IT5346688U IT215064Z2 IT 215064 Z2 IT215064 Z2 IT 215064Z2 IT 5346688 U IT5346688 U IT 5346688U IT 5346688 U IT5346688 U IT 5346688U IT 215064 Z2 IT215064 Z2 IT 215064Z2
Authority
IT
Italy
Prior art keywords
equipment
cathodic protection
metal pipes
insulation control
underground metal
Prior art date
Application number
IT5346688U
Other languages
English (en)
Other versions
IT8853466V0 (it
Original Assignee
Il Gas S P A Soc It
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Il Gas S P A Soc It filed Critical Il Gas S P A Soc It
Priority to IT5346688U priority Critical patent/IT215064Z2/it
Publication of IT8853466V0 publication Critical patent/IT8853466V0/it
Priority to GB8912551A priority patent/GB2223851A/en
Priority to ES8901942U priority patent/ES1011403Y/es
Priority to FR8907880A priority patent/FR2637986B3/fr
Application granted granted Critical
Publication of IT215064Z2 publication Critical patent/IT215064Z2/it

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/16—Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line
    • G01R27/18—Measuring resistance to earth, i.e. line to ground
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
    • G01N17/02—Electrochemical measuring systems for weathering, corrosion or corrosion-protection measurement
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/20—Investigating the presence of flaws
    • G01N27/205—Investigating the presence of flaws in insulating materials

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Ecology (AREA)
  • Environmental Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Prevention Of Electric Corrosion (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
IT5346688U 1988-10-14 1988-10-14 Apparecchiatura per il controllo dell isolamento e o la protezione catodica di tubazioni metalliche interrate IT215064Z2 (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT5346688U IT215064Z2 (it) 1988-10-14 1988-10-14 Apparecchiatura per il controllo dell isolamento e o la protezione catodica di tubazioni metalliche interrate
GB8912551A GB2223851A (en) 1988-10-14 1989-06-01 Device for checking insulation resistance between earth and buried metal piping
ES8901942U ES1011403Y (es) 1988-10-14 1989-06-14 Aparato para el control del aislamiento yno la proteccion catodica de tubos metalicos enterrados.
FR8907880A FR2637986B3 (fr) 1988-10-14 1989-06-14 Dispositif de controle de la resistance d'isolement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT5346688U IT215064Z2 (it) 1988-10-14 1988-10-14 Apparecchiatura per il controllo dell isolamento e o la protezione catodica di tubazioni metalliche interrate

Publications (2)

Publication Number Publication Date
IT8853466V0 IT8853466V0 (it) 1988-10-14
IT215064Z2 true IT215064Z2 (it) 1990-07-30

Family

ID=11282999

Family Applications (1)

Application Number Title Priority Date Filing Date
IT5346688U IT215064Z2 (it) 1988-10-14 1988-10-14 Apparecchiatura per il controllo dell isolamento e o la protezione catodica di tubazioni metalliche interrate

Country Status (4)

Country Link
ES (1) ES1011403Y (it)
FR (1) FR2637986B3 (it)
GB (1) GB2223851A (it)
IT (1) IT215064Z2 (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2671192A1 (fr) * 1990-12-27 1992-07-03 Gaz De France Procede et appareil pour la verification de l'etat d'isolement electrique d'un ouvrage electriquement conducteur.
FR2726083B1 (fr) * 1994-10-24 1996-12-06 Gaz De France Procede de controle d'un reseau de conduites metalliques enterrees sous protection cathodique et dispositif pour sa mise en oeuvre
DE202005009752U1 (de) * 2005-06-21 2006-11-02 TÜV Industrie Service GmbH TÜV SÜD Gruppe Messvorrichtung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3616417A (en) * 1969-08-13 1971-10-26 Petrolite Corp Corrosion rate meter
US3766042A (en) * 1972-10-06 1973-10-16 Petrolite Corp Corrosion ratemeter
US3999121A (en) * 1975-08-11 1976-12-21 Standard Oil Company (Indiana) Well casing corrosion meter
CS182743B1 (en) * 1976-09-22 1978-05-31 Josef Polak Method for removal or decrease of interference at metal constructions buried in electrolyte in etraneous direct current field and connexion for making the said method

Also Published As

Publication number Publication date
ES1011403U (es) 1990-04-01
GB2223851A (en) 1990-04-18
FR2637986A3 (fr) 1990-04-20
ES1011403Y (es) 1990-11-01
GB8912551D0 (en) 1989-07-19
IT8853466V0 (it) 1988-10-14
FR2637986B3 (fr) 1990-10-05

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